19640338

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{30403}}^1$

素因数の和:30441

約数の個数: 16

約数和(自身を含む): 32836320

約数和(自身を除く): 13195982

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 30403, 60806, 516851, 577657, 1033702, 1155314, 9820169, 19640338]

約数ペア:

[(1, 19640338), (2, 9820169), (17, 1155314), (19, 1033702), (34, 577657), (38, 516851), (323, 60806), (646, 30403)]